Facia portion of an electrical socket



FIG. 1 is a side view of a facia portion of an electrical socket showing our new design;

FIG. 2 is an isometric front view thereof. The broken line showing is included for the purpose of illustrating environmental structure only and forms no part of the claimed design;

FIG. 3 is a front view thereof. 

The ornamental design for facia portion of an electrical socket, as shown and described. 